--[[-------------------------------------------------------------------------
  Copyright (c) 2007, Matthew Carras (matthew.carras AT gmail.com)
  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are
  met:

      * Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.
      * Redistributions in binary form must reproduce the above
        copyright notice, this list of conditions and the following
        disclaimer in the documentation and/or other materials provided
        with the distribution.
      * Neither the name or handles of the author nor the names or handles of
        its contributors may be used to endorse or promote products derived
        from this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------]]

--[[-------------------------------------------------------------------
-- In [Namespace] No One Can Hear You Scream
--]]

local IrcBot = IrcBot
local config = IrcBot:RegisterModule("config")
local defaultConfig = {}
for k,v in pairs(config) do
    defaultConfig[k] = v
end

--[[-------------------------------------------------------------------
-- [Methods] Not To Use On Girlfriends
--]]

function config:Load(file)
    -- We'll use Lua files for now.
    local settings = IrcBot:Load(file)
    if type(settings) ~= "table" or
        settings.server == nil or settings.botnick == nil or
        settings.owner == nil then
            self:Print("Invalid configuration file!", "FATAL")
            return false
    end
    for k,v in pairs(settings) do
        self[k] = v
    end
    self.file = file
    self:Print("Loaded settings from " .. file, "NOTIFY")

    return true
end

function config:Reload()
    if not self.file then return false end
    local file = self.file
    for k,v in pairs(self) do
        if not defaultConfig[k] then
            self[k] = nil
        else
            self[k] = defaultConfig[k]
        end
    end
    self.file = file
    self:Print("Previously loaded settings erased.", "NOTIFY")
    self:Load(self.file)
end

-- Sinclair sucked.
